222168320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 600445440

約数和(自身を除く): 378277120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 509, 620, 640, 682, 704, 880, 992, 1018, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2036, 2480, 2545, 2728, 2816, 3410, 3520, 3968, 4072, 4960, 5090, 5456, 5599, 6820, 7040, 7936, 8144, 9920, 10180, 10912, 11198, 13640, 14080, 15779, 16288, 19840, 20360, 21824, 22396, 27280, 27995, 31558, 32576, 39680, 40720, 43648, 44792, 54560, 55990, 63116, 65152, 78895, 81440, 87296, 89584, 109120, 111980, 126232, 130304, 157790, 162880, 173569, 179168, 218240, 223960, 252464, 315580, 325760, 347138, 358336, 436480, 447920, 504928, 631160, 651520, 694276, 716672, 867845, 895840, 1009856, 1262320, 1388552, 1433344, 1735690, 1791680, 2019712, 2524640, 2777104, 3471380, 3583360, 4039424, 5049280, 5554208, 6942760, 7166720, 10098560, 11108416, 13885520, 20197120, 22216832, 27771040, 44433664, 55542080, 111084160, 222168320]

約数ペア:

[(1, 222168320), (2, 111084160), (4, 55542080), (5, 44433664), (8, 27771040), (10, 22216832), (11, 20197120), (16, 13885520), (20, 11108416), (22, 10098560), (31, 7166720), (32, 6942760), (40, 5554208), (44, 5049280), (55, 4039424), (62, 3583360), (64, 3471380), (80, 2777104), (88, 2524640), (110, 2019712), (124, 1791680), (128, 1735690), (155, 1433344), (160, 1388552), (176, 1262320), (220, 1009856), (248, 895840), (256, 867845), (310, 716672), (320, 694276), (341, 651520), (352, 631160), (440, 504928), (496, 447920), (509, 436480), (620, 358336), (640, 347138), (682, 325760), (704, 315580), (880, 252464), (992, 223960), (1018, 218240), (1240, 179168), (1280, 173569), (1364, 162880), (1408, 157790), (1705, 130304), (1760, 126232), (1984, 111980), (2036, 109120), (2480, 89584), (2545, 87296), (2728, 81440), (2816, 78895), (3410, 65152), (3520, 63116), (3968, 55990), (4072, 54560), (4960, 44792), (5090, 43648), (5456, 40720), (5599, 39680), (6820, 32576), (7040, 31558), (7936, 27995), (8144, 27280), (9920, 22396), (10180, 21824), (10912, 20360), (11198, 19840), (13640, 16288), (14080, 15779)]